South Korea's coastguard yesterday rescued four crewmen.韩国的海岸警卫队昨天营救了4名船员。

He went with the coastguards to retrieve the mast of a wrecked ship.他和海岸警卫队队员一起去找回一艘遇难船只的桅杆。

My father was a coastguard and was in the Royal Navy for 40 years.我父亲是一名海岸警卫队队员, 在皇家海军服役了40年。